952
FZUS51 KBOX 132035
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
435 PM EDT MON JUL 13 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-140945-
435 PM EDT MON JUL 13 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BECOMES NEARLY STATIONARY OFFSHORE FOR TUE AND WED. LOW
PRES PASSING WELL TO THE NORTH ON TUE WILL RESULT IN STRONGER WINDS
AND SMALL CRAFT ADVISORY CONDITIONS. SEAS BECOME CHOPPIER TUE NIGHT
INTO WED MORNING AS WELL.
ANZ250-140945-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND S 2 FT AT 5 SECONDS.
WED NIGHT AND THU
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 4 SECONDS.
THU NIGHT
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 4 SECONDS AND
NW 1 FOOT AT 4 SECONDS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING W. SEAS AROUND
2 FT.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-140945-
MASSACHUSETTS BAY AND IPSWICH BAY-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 4 SECONDS,
BECOMING W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED NIGHT AND THU
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT
AT 3 SECONDS.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS
AND W 1 FOOT AT 3 SECONDS, BECOMING N 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 4 SECONDS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
SAT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-140945-
CAPE COD BAY-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 1 FOOT AT 10 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED NIGHT AND THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT IN THE EVENING, THEN
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT
AT 3 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
5 SECONDS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 1 FOOT
OR LESS.
SAT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-140945-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED NIGHT AND THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND NW 1 FOOT AT
4 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
5 SECONDS AND NW 1 FOOT AT 4 SECONDS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
3 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-140945-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 6 FT AT 7 SECONDS AND NW 2 FT AT
4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND W 3 FT AT
3 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING SW. SEAS 2 TO
3 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-140945-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 5 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: W 7 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 5 FT AT 7 SECONDS AND NW 1 FOOT
AT 4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT AFTER MIDNIGHT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND N
1 FOOT AT 3 SECONDS, BECOMING SW 3 FT AT 6 SECONDS AND NW 1 FOOT
AT 3 SECONDS.
THU AND THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND NW 2 FT AT
4 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-140945-
NANTUCKET SOUND-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
3 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SW
3 FT AT 7 SECONDS, BECOMING W 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND NW 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT AT
3 SECONDS.
FRI AND FRI NIGHT
W WINDS AROUND 10 KT, BECOMING SW. SEAS
AROUND 2 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-140945-
VINEYARD SOUND-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE
EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE
1 FOOT AT 7 SECONDS.
WED
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-140945-
BUZZARDS BAY-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N 2 FT AT
4 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-140945-
RHODE ISLAND SOUND-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT, SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING SW 4 FT AT
7 SECONDS AND W 2 FT AT 4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N 1 FOOT AT
4 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-140945-
BLOCK ISLAND SOUND-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT, INCREASING TO
30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND W 2 FT AT 3 SECONDS.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 2 FT AT
4 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-140945-
BOSTON HARBOR-
435 PM EDT MON JUL 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
WED
NW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
WED NIGHT THROUGH THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES AROUND 2 FT.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-140945-
NARRAGANSETT BAY-
435 PM EDT MON JUL 13 2026
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 2 TO
3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-140945-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
435 PM EDT MON JUL 13 2026
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 35 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND S 2 FT AT
6 SECONDS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-140945-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
435 PM EDT MON JUL 13 2026
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 4 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. WAVE DETAIL: W 7 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND N 2 FT AT
4 SECONDS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-140945-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
435 PM EDT MON JUL 13 2026
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND N 2 FT AT 4 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT, BUILDING TO 7 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: W
7 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING W 8 FT AT
7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT
AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE
OF SHOWERS.
THU AND THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND N 2 FT AT
4 SECONDS.
FRI THROUGH SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-140945-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
435 PM EDT MON JUL 13 2026
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT, BUILDING TO 7 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: W
7 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING W 8 FT AT
7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 6 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED NIGHT THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND N
1 FOOT AT 3 SECONDS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND N 2 FT AT
4 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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